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Flash Flood Watch

FLOOD WATCH
NATIONAL WEATHER SERVICE SAN DIEGO CA
227 AM PDT WED SEP 17 2014

...FLASH FLOOD WATCH FOR MOUNTAINS AND DESERTS TODAY...

.A VERY MOIST AND UNSTABLE ATMOSPHERE WILL SET THE STAGE FOR THE
DEVELOPMENT OF THUNDERSTORMS THIS AFTERNOON MAINLY IN THE
MOUNTAINS AND DESERTS. THE THUNDERSTORMS WILL BEGIN TO DIMINISH BY
SUNSET THIS EVENING.

CAZ055-056-058-060>062-171745-
/O.NEW.KSGX.FF.A.0009.140917T1700Z-140918T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
227 AM PDT WED SEP 17 2014

...FLASH FLOOD WATCH IN EFFECT FROM 10 AM PDT THIS MORNING
THROUGH THIS EVENING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A

* FLASH FLOOD WATCH FOR A PORTION OF SOUTHWEST CALIFORNIA...
  INCLUDING THE FOLLOWING AREAS...APPLE AND LUCERNE VALLEYS...
  COACHELLA VALLEY...RIVERSIDE COUNTY MOUNTAINS...SAN BERNARDINO
  COUNTY MOUNTAINS...SAN DIEGO COUNTY DESERTS AND SAN DIEGO
  COUNTY MOUNTAINS.

* FROM 10 AM PDT THIS MORNING THROUGH 8 PM PDT THIS EVENING

* THUNDERSTORMS ARE EXPECTED TO DEVELOP BY LATE MORNING AND
  CONTINUE THROUGH THE AFTERNOON. THUNDERSTORMS WILL BE RELATIVELY
  STATIONARY...ADDING TO THE THREAT OF HEAVY RAINFALL OVER ONE
  LOCATION IN A SHORT PERIOD OF TIME.

* THE RISK OF FLASH FLOODING WILL BE GREATEST ALONG DESERT SLOPES
  OF THE MOUNTAINS AND IN RECENTLY BURNED AREAS WHERE RUNOFF AND
  DEBRIS CAN QUICKLY FILL DRY WASHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD
TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION.

YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION
SHOULD FLASH FLOOD WARNINGS BE ISSUED.

&&

$$

MM




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